Senior Research Fellow Pakistan Institute of Development Economics (PIDE)1980-88 1988-94 Joint Secretary Al-Kindi Society for the Advancement of thePhilosophy of Science Islamabad Pakistan 1980 Associate Member andSenior Associate of the International Centre for Theoretical Physics TriesteItaly 1980-91 1992- 1999 Life member and Vice-President Albert EinsteinSociety (of Pakistan) 19851987 to date Life Member Joint Secretary andSecretary Pakistan Physical Society 1990 1992 1993 Life Member and PresidentFulbright Alumni Association 1992 1993 Member Editorial Board ofseveral national and international journals